<template>
  <div class="add">
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>添加商品</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-alert
        title="添加商品信息"
        type="info"
        show-icon
        center
        :closable="false"
      >
      </el-alert>
      <el-steps :active="active - 0" finish-status="success" align-center>
        <el-step title="基本信息"></el-step>
        <el-step title="商品参数"></el-step>
        <el-step title="商品属性"></el-step>
        <el-step title="商品图片"></el-step>
        <el-step title="商品内容"></el-step>
        <el-step title="完成"></el-step>
      </el-steps>
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="100px"
        label-position="top"
      >
        <el-tabs
          :tab-position="'left'"
          v-model="active"
          :before-leave="beforeTabLeave"
          @tab-click="tabClick"
        >
          <el-tab-pane label="基本信息" name="0">
            <el-form-item label="商品名称" prop="goods_name">
              <el-input v-model="addForm.goods_name"></el-input>
            </el-form-item>
            <el-form-item label="商品价格" prop="goods_price">
              <el-input v-model="addForm.goods_price" type="number"></el-input>
            </el-form-item>
            <el-form-item label="商品数量" prop="goods_number">
              <el-input v-model="addForm.goods_number" type="number"></el-input>
            </el-form-item>
            <el-form-item label="商品重量" prop="goods_weight">
              <el-input v-model="addForm.goods_weight" type="number"></el-input>
            </el-form-item>
            <el-form-item label="商品分类" prop="goods_cat">
              <el-cascader
                v-model="addForm.goods_cat"
                :options="cateList"
                :props="cateProps"
                @change="handleChange"
                expand-trigger="hover"
              ></el-cascader>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品参数" name="1">
            <el-form-item
              :label="item.attr_name"
              v-for="item in manyTableData"
              :key="item.attr_id"
            >
              <el-checkbox-group v-model="item.attr_vals">
                <el-checkbox
                  :label="attr_valsItem"
                  v-for="(attr_valsItem, i) in item.attr_vals"
                  :key="i"
                  border
                ></el-checkbox>
              </el-checkbox-group>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品属性" name="2">
            <el-form-item
              :label="item.attr_name"
              v-for="item in onlyTableData"
              :key="item.attr_id"
            >
              <el-input v-model="item.attr_vals"></el-input>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品图片" name="3">
            <el-upload
              action="https://lianghj.top:8888/api/private/v1/upload"
              :on-remove="handleRemove"
              list-type="picture"
              :headers="headerObj"
              :on-success="handleSuccess"
            >
              <el-button size="small" type="primary">点击上传</el-button>
            </el-upload>
          </el-tab-pane>
          <el-tab-pane label="商品内容" name="4">
            <quill-editor v-model="addForm.goods_introduce"></quill-editor>
            <el-button type="primary" @click="add">添加商品</el-button>
          </el-tab-pane>
        </el-tabs>
      </el-form>
    </el-card>
  </div>
</template>

<script>
import { getCateListApi, getAddGoodsParamsApi, addGoodsApi } from "@/api/user";
import "quill/dist/quill.core.css";
import "quill/dist/quill.snow.css";
import "quill/dist/quill.bubble.css";

import { quillEditor } from "vue-quill-editor";
export default {
  name: "AddIndex",
  components: {
    quillEditor,
  },
  data() {
    return {
      active: "0",
      // 添加商品表单数据的对象
      addForm: {
        goods_name: "",
        goods_price: 0,
        goods_number: 0,
        goods_weight: 0,
        // 商品所属的分类数组
        goods_cat: [],
        pics: [],
        goods_introduce: "",
        // 商品参数
        attrs: [],
      },
      addFormRules: {
        goods_name: [
          { required: true, message: "请输入商品名称", trigger: "blur" },
        ],
        goods_price: [
          { required: true, message: "请输入商品名称", trigger: "blur" },
        ],
        goods_number: [
          { required: true, message: "请输入商品名称", trigger: "blur" },
        ],
        goods_weight: [
          { required: true, message: "请输入商品名称", trigger: "blur" },
        ],
        goods_cat: [
          { required: true, message: "请输入商品名称", trigger: "blur" },
        ],
      },
      // 商品分类列表
      cateList: [],
      cateProps: {
        value: "cat_id",
        label: "cat_name",
        children: "children",
      },
      // 动态参数列表
      manyTableData: [],
      // 静态参数列表
      onlyTableData: [],
      headerObj: {
        Authorization: window.localStorage.getItem("my-token"),
      },
    };
  },
  methods: {
    async getCateList() {
      const res = await getCateListApi();
      // console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败！");
      }
      this.cateList = res.data;
    },
    beforeTabLeave(activeName, oldActiveName) {
      if (oldActiveName === "0" && this.addForm.goods_cat.length !== 3) {
        this.$message.error("请选择商品分类！");
        return false;
      }
    },
    handleChange() {},
    async tabClick() {
      if (this.active === "1") {
        const res = await getAddGoodsParamsApi(this.addForm.goods_cat[2], {
          sel: "many",
        });
        // console.log(res);
        if (res.meta.status !== 200) {
          return this.$message.error("获取动态列表失败！");
        }
        // console.log(res.data);
        res.data.forEach((item) => {
          item.attr_vals =
            item.attr_vals.length === 0 ? [] : item.attr_vals.split(" ");
        });

        this.manyTableData = res.data;
      } else if (this.active === "2") {
        const res = await getAddGoodsParamsApi(this.addForm.goods_cat[2], {
          sel: "only",
        });
        // console.log(res);
        this.onlyTableData = res.data;
      }
    },
    // 移除
    handleRemove(file) {
      const filePath = file.response.data.tmp_path;
      const index = this.addForm.pics.findIndex((item) => {
        item.pic === filePath;
      });
      this.addForm.pics.splice(index, 1);
      console.log(this.addForm);
    },
    handleSuccess(response) {
      // console.log(response);
      const pic = { pic: response.data.tmp_path };
      this.addForm.pics.push(pic);
      // console.log(this.addForm);
    },
    async add() {
      this.$refs.addFormRef.validate((valid) => {
        if (!valid) {
          return this.$message.error("请填写必要的表单项！");
        }
      });
      this.addForm.goods_cat = this.addForm.goods_cat.join(",");
      // 处理动态参数
      this.manyTableData.forEach((item) => {
        const newManyTableData = {
          attr_id: item.attr_id,
          attr_value: item.attr_vals.join(" "),
        };
        this.addForm.attrs.push(newManyTableData);
      });
      // 处理静态参数
      this.onlyTableData.forEach((item) => {
        const newOnlyTableData = {
          attr_id: item.attr_id,
          attr_value: item.attr_vals,
        };
        this.addForm.attrs.push(newOnlyTableData);
      });
      // console.log(this.addForm);
      const res = await addGoodsApi(this.addForm);
      if (res.meta.status !== 201) {
        return this.$message.error("添加商品失败！");
      }
      this.$router.push("/goods");
    },
  },
  created() {
    this.getCateList();
  },
};
</script>

<style lang="scss" scoped>
.add {
  .el-breadcrumb {
    margin-bottom: 15px;
  }
  .el-steps {
    margin: 15px 0;
  }
  .el-checkbox {
    margin-right: 5px !important;
  }
  .el-button {
    margin-top: 15px;
  }
}
</style>
